iOS 27 is available in Australia. It arrived this week. Apple says to prepare your device first. You should save your important files. You should also confirm free storage. The update adds new features. Siri has been given an overhaul. Fresh system utilities are added. Compatibility includes iPhone 12 and later models. Recent iPads are also supported. Older devices like iPhone 11 are left out. Users are advised to prepare before updating. A backup is a good idea. Free space is required. The rollout is happening now.